Home / 154,453.49-231,699.31-54,593.09

Finding the Fourth Proportional to 154,453.49, 231,699.31 and 54,593.09

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Solution

The fourth proportional to 154,453.49, 231,699.31 and 54,593.09 is: 81,896.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,453.49 : 231,699.31 = 54,593.09 : x
  2. Step 2: Convert to fraction form
    154,453.49/231,699.31 = 54,593.09/x
  3. Step 3: Cross multiply
    154,453.49x = 231,699.31 × 54,593.09
  4. Step 4: Simplify right side
    154,453.49x = 12,649,179,988.79
  5. Step 5: Solve for x
    x = 12,649,179,988.79/154,453.49
  6. Step 6: Final answer
    x = 81,896.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.